staging: comedi: addi_eeprom: rename 'dw_Address'/'w_PCIBoardEepromAddress'
authorH Hartley Sweeten <hartleys@visionengravers.com>
Tue, 30 Oct 2012 00:04:10 +0000 (17:04 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Oct 2012 17:50:12 +0000 (10:50 -0700)
This variable is actually the PCI bar 0 i/o address of the device found
with pci_resource_start().

For aesthetic reasons, rename it to 'iobase' and change to type to an
unsigned long.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/addi-data/addi_eeprom.c

index b95d4c5..306edc8 100644 (file)
@@ -107,19 +107,19 @@ struct str_AnalogInputHeader {
        unsigned char b_Resolution;
 };
 
-static void v_EepromClock76(unsigned int dw_Address,
+static void v_EepromClock76(unsigned long iobase,
                            unsigned int dw_RegisterValue)
 {
        /* Set EEPROM clock Low */
-       outl(dw_RegisterValue & 0x6, dw_Address);
+       outl(dw_RegisterValue & 0x6, iobase);
        udelay(100);
 
        /* Set EEPROM clock High */
-       outl(dw_RegisterValue | 0x1, dw_Address);
+       outl(dw_RegisterValue | 0x1, iobase);
        udelay(100);
 }
 
-static void v_EepromSendCommand76(unsigned int dw_Address,
+static void v_EepromSendCommand76(unsigned long iobase,
                                  unsigned int dw_EepromCommand,
                                  unsigned char b_DataLengthInBits)
 {
@@ -130,7 +130,7 @@ static void v_EepromSendCommand76(unsigned int dw_Address,
        dw_RegisterValue = 0x2;
 
        /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */
-       outl(dw_RegisterValue, dw_Address);
+       outl(dw_RegisterValue, iobase);
        udelay(100);
 
        /* Send EEPROM command - one bit at a time */
@@ -144,15 +144,15 @@ static void v_EepromSendCommand76(unsigned int dw_Address,
                }
 
                /* Write the command */
-               outl(dw_RegisterValue, dw_Address);
+               outl(dw_RegisterValue, iobase);
                udelay(100);
 
                /* Trigger the EEPROM clock */
-               v_EepromClock76(dw_Address, dw_RegisterValue);
+               v_EepromClock76(iobase, dw_RegisterValue);
        }
 }
 
-static void v_EepromCs76Read(unsigned int dw_Address,
+static void v_EepromCs76Read(unsigned long iobase,
                             unsigned short w_offset,
                             unsigned short *pw_Value)
 {
@@ -161,7 +161,7 @@ static void v_EepromCs76Read(unsigned int dw_Address,
        unsigned int dw_RegisterValueRead = 0;
 
        /* Send EEPROM read command and offset to EEPROM */
-       v_EepromSendCommand76(dw_Address, (EE_READ << 4) | (w_offset / 2),
+       v_EepromSendCommand76(iobase, (EE_READ << 4) | (w_offset / 2),
                EE76_CMD_LEN);
 
        /* Get the last register value */
@@ -173,10 +173,10 @@ static void v_EepromCs76Read(unsigned int dw_Address,
        /* Get the 16-bit value */
        for (c_BitPos = 0; c_BitPos < 16; c_BitPos++) {
                /* Trigger the EEPROM clock */
-               v_EepromClock76(dw_Address, dw_RegisterValue);
+               v_EepromClock76(iobase, dw_RegisterValue);
 
                /* Get the result bit */
-               dw_RegisterValueRead = inl(dw_Address);
+               dw_RegisterValueRead = inl(iobase);
                udelay(100);
 
                /* Get bit value and shift into result */
@@ -193,21 +193,21 @@ static void v_EepromCs76Read(unsigned int dw_Address,
        dw_RegisterValue = 0x0;
 
        /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */
-       outl(dw_RegisterValue, dw_Address);
+       outl(dw_RegisterValue, iobase);
        udelay(100);
 }
 
-static void v_EepromWaitBusy(unsigned short w_PCIBoardEepromAddress)
+static void v_EepromWaitBusy(unsigned long iobase)
 {
        unsigned char b_EepromBusy = 0;
 
        do {
-               b_EepromBusy = inb(w_PCIBoardEepromAddress + 0x3F);
+               b_EepromBusy = inb(iobase + 0x3F);
                b_EepromBusy = b_EepromBusy & 0x80;
        } while (b_EepromBusy == 0x80);
 }
 
-static unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress,
+static unsigned short w_EepromReadWord(unsigned long iobase,
                                       char *pc_PCIChipInformation,
                                       unsigned short w_EepromStartAddress)
 {
@@ -229,42 +229,40 @@ static unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress,
                        b_SelectedAddressHigh = (w_EepromStartAddress + b_Counter) / 256;       /* Read the high 8 bit part */
 
                        /* Select the load low address mode */
-                       outb(NVCMD_LOAD_LOW, w_PCIBoardEepromAddress + 0x3F);
+                       outb(NVCMD_LOAD_LOW, iobase + 0x3F);
 
                        /* Wait on busy */
-                       v_EepromWaitBusy(w_PCIBoardEepromAddress);
+                       v_EepromWaitBusy(iobase);
 
                        /* Load the low address */
-                       outb(b_SelectedAddressLow,
-                               w_PCIBoardEepromAddress + 0x3E);
+                       outb(b_SelectedAddressLow, iobase + 0x3E);
 
                        /* Wait on busy */
-                       v_EepromWaitBusy(w_PCIBoardEepromAddress);
+                       v_EepromWaitBusy(iobase);
 
                        /* Select the load high address mode */
-                       outb(NVCMD_LOAD_HIGH, w_PCIBoardEepromAddress + 0x3F);
+                       outb(NVCMD_LOAD_HIGH, iobase + 0x3F);
 
                        /* Wait on busy */
-                       v_EepromWaitBusy(w_PCIBoardEepromAddress);
+                       v_EepromWaitBusy(iobase);
 
                        /* Load the high address */
-                       outb(b_SelectedAddressHigh,
-                               w_PCIBoardEepromAddress + 0x3E);
+                       outb(b_SelectedAddressHigh, iobase + 0x3E);
 
                        /* Wait on busy */
-                       v_EepromWaitBusy(w_PCIBoardEepromAddress);
+                       v_EepromWaitBusy(iobase);
 
                        /* Select the READ mode */
-                       outb(NVCMD_BEGIN_READ, w_PCIBoardEepromAddress + 0x3F);
+                       outb(NVCMD_BEGIN_READ, iobase + 0x3F);
 
                        /* Wait on busy */
-                       v_EepromWaitBusy(w_PCIBoardEepromAddress);
+                       v_EepromWaitBusy(iobase);
 
                        /* Read data into the EEPROM */
-                       b_ReadByte = inb(w_PCIBoardEepromAddress + 0x3E);
+                       b_ReadByte = inb(iobase + 0x3E);
 
                        /* Wait on busy */
-                       v_EepromWaitBusy(w_PCIBoardEepromAddress);
+                       v_EepromWaitBusy(iobase);
 
                        /* Select the upper address part */
                        if (b_Counter == 0)
@@ -283,14 +281,13 @@ static unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress,
        if (!strcmp(pc_PCIChipInformation, "93C76"))
        {
                /* Read 16 bit from the EEPROM 93C76 */
-               v_EepromCs76Read(w_PCIBoardEepromAddress, w_EepromStartAddress,
-                       &w_ReadWord);
+               v_EepromCs76Read(iobase, w_EepromStartAddress, &w_ReadWord);
        }
 
        return w_ReadWord;
 }
 
-static int i_EepromReadDigitalInputHeader(unsigned short w_PCIBoardEepromAddress,
+static int i_EepromReadDigitalInputHeader(unsigned long iobase,
                                          char *pc_PCIChipInformation,
                                          unsigned short w_Address,
                                          struct str_DigitalInputHeader *s_Header)
@@ -298,37 +295,35 @@ static int i_EepromReadDigitalInputHeader(unsigned short w_PCIBoardEepromAddress
        unsigned short w_Temp;
 
        /*  read nbr of channels */
-       s_Header->w_Nchannel =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + w_Address + 6);
+       s_Header->w_Nchannel = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                               0x100 + w_Address + 6);
 
        /*  interruptible or not */
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + w_Address + 8);
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + 8);
        s_Header->b_Interruptible = (unsigned char) (w_Temp >> 7) & 0x01;
 
-/* How many interruptible logic */
-       s_Header->w_NinterruptLogic =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + w_Address + 10);
+       /* How many interruptible logic */
+       s_Header->w_NinterruptLogic = w_EepromReadWord(iobase,
+                                                      pc_PCIChipInformation,
+                                                      0x100 + w_Address + 10);
 
        return 0;
 }
 
-static int i_EepromReadDigitalOutputHeader(unsigned short w_PCIBoardEepromAddress,
+static int i_EepromReadDigitalOutputHeader(unsigned long iobase,
                                           char *pc_PCIChipInformation,
                                           unsigned short w_Address,
                                           struct str_DigitalOutputHeader *s_Header)
 {
-/* Read Nbr channels */
-       s_Header->w_Nchannel =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + w_Address + 6);
+       /* Read Nbr channels */
+       s_Header->w_Nchannel = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                               0x100 + w_Address + 6);
        return 0;
 }
 
 #if 0
-static int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress,
+static int i_EepromReadTimerHeader(unsigned long iobase,
                                   char *pc_PCIChipInformation,
                                   unsigned short w_Address,
                                   struct str_TimerMainHeader *s_Header)
@@ -336,20 +331,16 @@ static int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress,
 
        unsigned short i, w_Size = 0, w_Temp;
 
-/* Read No of Timer */
-       s_Header->w_Ntimer =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + w_Address + 6);
-/* Read header size */
-
+       /* Read No of Timer */
+       s_Header->w_Ntimer = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                             0x100 + w_Address + 6);
+       /* Read header size */
        for (i = 0; i < s_Header->w_Ntimer; i++) {
                s_Header->s_TimerDetails[i].w_HeaderSize =
-                       w_EepromReadWord(w_PCIBoardEepromAddress,
-                       pc_PCIChipInformation,
-                       0x100 + w_Address + 8 + w_Size + 0);
-               w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-                       pc_PCIChipInformation,
-                       0x100 + w_Address + 8 + w_Size + 2);
+                       w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                        0x100 + w_Address + 8 + w_Size + 0);
+               w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                         0x100 + w_Address + 8 + w_Size + 2);
 
                /* Read Resolution */
                s_Header->s_TimerDetails[i].b_Resolution =
@@ -359,9 +350,8 @@ static int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress,
                s_Header->s_TimerDetails[i].b_Mode =
                        (unsigned char) (w_Temp >> 4) & 0x3F;
 
-               w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-                       pc_PCIChipInformation,
-                       0x100 + w_Address + 8 + w_Size + 4);
+               w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                         0x100 + w_Address + 8 + w_Size + 4);
 
                /* Read MinTiming */
                s_Header->s_TimerDetails[i].w_MinTiming = (w_Temp >> 6) & 0x3FF;
@@ -375,44 +365,46 @@ static int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress,
 }
 #endif
 
-static int i_EepromReadAnlogOutputHeader(unsigned short w_PCIBoardEepromAddress,
+static int i_EepromReadAnlogOutputHeader(unsigned long iobase,
                                         char *pc_PCIChipInformation,
                                         unsigned short w_Address,
                                         struct str_AnalogOutputHeader *s_Header)
 {
        unsigned short w_Temp;
+
        /*  No of channels for 1st hard component */
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + w_Address + 10);
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + 10);
        s_Header->w_Nchannel = (w_Temp >> 4) & 0x03FF;
        /*  Resolution for 1st hard component */
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + w_Address + 16);
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + 16);
        s_Header->b_Resolution = (unsigned char) (w_Temp >> 8) & 0xFF;
        return 0;
 }
 
 /* Reads only for ONE  hardware component */
-static int i_EepromReadAnlogInputHeader(unsigned short w_PCIBoardEepromAddress,
+static int i_EepromReadAnlogInputHeader(unsigned long iobase,
                                        char *pc_PCIChipInformation,
                                        unsigned short w_Address,
                                        struct str_AnalogInputHeader *s_Header)
 {
        unsigned short w_Temp, w_Offset;
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + w_Address + 10);
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + 10);
        s_Header->w_Nchannel = (w_Temp >> 4) & 0x03FF;
-       s_Header->w_MinConvertTiming =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + w_Address + 16);
-       s_Header->w_MinDelayTiming =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + w_Address + 30);
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + w_Address + 20);
+       s_Header->w_MinConvertTiming = w_EepromReadWord(iobase,
+                                                       pc_PCIChipInformation,
+                                                       0x100 + w_Address + 16);
+       s_Header->w_MinDelayTiming = w_EepromReadWord(iobase,
+                                                     pc_PCIChipInformation,
+                                                     0x100 + w_Address + 30);
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + 20);
        s_Header->b_HasDma = (w_Temp >> 13) & 0x01;     /*  whether dma present or not */
 
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation, 0x100 + w_Address + 72);      /*  reading Y */
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + 72);      /* reading Y */
        w_Temp = w_Temp & 0x00FF;
        if (w_Temp)             /* Y>0 */
        {
@@ -424,15 +416,15 @@ static int i_EepromReadAnlogInputHeader(unsigned short w_PCIBoardEepromAddress,
                w_Offset = w_Offset + 2;        /*  resolution */
        }
 
-/* read Resolution */
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + w_Address + w_Offset);
+       /* read Resolution */
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + w_Address + w_Offset);
        s_Header->b_Resolution = w_Temp & 0x001F;       /*  last 5 bits */
 
        return 0;
 }
 
-static int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
+static int i_EepromReadMainHeader(unsigned long iobase,
                                  char *pc_PCIChipInformation,
                                  struct comedi_device *dev)
 {
@@ -448,26 +440,26 @@ static int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
        struct str_AnalogInputHeader s_AnalogInputHeader;
 
        /* Read size */
-       s_MainHeader.w_HeaderSize =
-               w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
-               0x100 + 8);
+       s_MainHeader.w_HeaderSize = w_EepromReadWord(iobase,
+                                                    pc_PCIChipInformation,
+                                                    0x100 + 8);
 
        /* Read nbr of functionality */
-       w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-               pc_PCIChipInformation, 0x100 + 10);
+       w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                 0x100 + 10);
        s_MainHeader.b_Nfunctions = (unsigned char) w_Temp & 0x00FF;
 
        /* Read functionality details */
        for (i = 0; i < s_MainHeader.b_Nfunctions; i++) {
                /* Read Type */
-               w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
-                       pc_PCIChipInformation, 0x100 + 12 + w_Count);
+               w_Temp = w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                         0x100 + 12 + w_Count);
                s_MainHeader.s_Functions[i].b_Type = (unsigned char) w_Temp & 0x3F;
                w_Count = w_Count + 2;
                /* Read Address */
                s_MainHeader.s_Functions[i].w_Address =
-                       w_EepromReadWord(w_PCIBoardEepromAddress,
-                       pc_PCIChipInformation, 0x100 + 12 + w_Count);
+                       w_EepromReadWord(iobase, pc_PCIChipInformation,
+                                        0x100 + 12 + w_Count);
                w_Count = w_Count + 2;
        }
 
@@ -476,7 +468,7 @@ static int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
 
                switch (s_MainHeader.s_Functions[i].b_Type) {
                case EEPROM_DIGITALINPUT:
-                       i_EepromReadDigitalInputHeader(w_PCIBoardEepromAddress,
+                       i_EepromReadDigitalInputHeader(iobase,
                                pc_PCIChipInformation,
                                s_MainHeader.s_Functions[i].w_Address,
                                &s_DigitalInputHeader);
@@ -485,7 +477,7 @@ static int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
                        break;
 
                case EEPROM_DIGITALOUTPUT:
-                       i_EepromReadDigitalOutputHeader(w_PCIBoardEepromAddress,
+                       i_EepromReadDigitalOutputHeader(iobase,
                                pc_PCIChipInformation,
                                s_MainHeader.s_Functions[i].w_Address,
                                &s_DigitalOutputHeader);
@@ -498,7 +490,7 @@ static int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
                        break;
 
                case EEPROM_ANALOGINPUT:
-                       i_EepromReadAnlogInputHeader(w_PCIBoardEepromAddress,
+                       i_EepromReadAnlogInputHeader(iobase,
                                pc_PCIChipInformation,
                                s_MainHeader.s_Functions[i].w_Address,
                                &s_AnalogInputHeader);
@@ -523,7 +515,7 @@ static int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
                        break;
 
                case EEPROM_ANALOGOUTPUT:
-                       i_EepromReadAnlogOutputHeader(w_PCIBoardEepromAddress,
+                       i_EepromReadAnlogOutputHeader(iobase,
                                pc_PCIChipInformation,
                                s_MainHeader.s_Functions[i].w_Address,
                                &s_AnalogOutputHeader);